Patent US2920172A successfully refreshed from Google Patents.
US2920172A
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Dielectric heating and pressing die structure
Assignee: Motors Liquidation Co
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Filing: 1956-10-04
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Granted: 1960-01-05
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Expires: 1976-10-04
Abstract
No abstract record available.
Inventors
- 👤 Ralph M Stallard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:49
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/46; H05B6/62; B; B29; B29C; B29C59/00; B29C59/02; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/006; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/40; B29C66/41; B29C66/43; B29C66/433; B29C66/45; B29C66/70; B29C66/72; B29C66/723; B29C66/7232; B29C66/72321; B29C66/729; B29C66/80; B29C66/81; B29C66/812; B29C66/8124; B29C66/8126; B29C66/81262; B29C66/81263; B29C66/814; B29C66/8141; B29C66/81427; B29C66/8145; B29C66/81457; B29C66/83; B29C66/832; B29C66/8322; B29C66/8122; Y; Y10; Y10S; Y10S264/00; Y10S264/46; Y10S425/00; Y10S425/013
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1806846A
Cited
US1997263A
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GB577719A
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US2526699A
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US2526697A
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US2595502A
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GB621514A
Cited
US2536316A
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US2578209A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-04 | 1963-07-06 | 1964-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-04 | 1967-07-06 | 1968-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-04 | 1971-07-06 | 1972-01-05 | $7700.00 | Window Closed / Lapsed |